The "Dodo-Postcards" watermark is NOT on the actual card – it is an online watermark only.
Claerwen Dam. Elan Valley. Photo Precision
Claerwen Dam. Elan Valley. No. 124. No. 26663. Cameo. Colourmaster. Photo Precision
Careg Ddu Dam. Elan Valley. Photo Precision. Colourmaster International
Craig Goch Dam. Elan Valley. Photo Precision
Careg Ddu Dam. Elan Valley. Photo Precision. 1972
Dol y Mynach Dam. Elan Valley. Photo Precision Limited. Colourmaster International
Craig Goch. Elan Valley. Photo Precision. 1980
Elan Valley. Craig Goch Dam. Photo Precision Limited. Colourmaster International
